Mandriva Linux Security Advisory – Alin Rad Pop found several flaws in how PDF files are handled in koffice. An attacker could create a malicious PDF file that would cause koffice to crash or potentially execute arbitrary code when opened.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/61124/MDKSA-2007-222.txt
Source: https://packetstormsecurity.com/files/61124/Mandriva-Linux-Security-Advisory-2007.222.html